If you have been doing the same ab routine—crunches, planks, and bicycles—for years, you are probably ready for a creative challenge. One easy way to wake up your core is by adding dumbbells to your ...

Turkish sit-ups don't crop up in a huge number of workouts that I see around, but this one move will torch your midsection. It's a loaded sit-up variation that combines unilateral loading with the sit ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...